8900442 has 20 divisors (see below), whose sum is σ = 19943946. Its totient is φ = 2966760.

The previous prime is 8900431. The next prime is 8900447. The reversal of 8900442 is 2440098.

It can be written as a sum of positive squares in only one way, i.e., 6305121 + 2595321 = 2511^2 + 1611^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8900447) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27309 + ... + 27632.

Almost surely, 2^8900442 is an apocalyptic number.

8900442 is an abundant number, since it is smaller than the sum of its proper divisors (11043504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8900442 is a wasteful number, since it uses less digits than its factorization.

8900442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54955 (or 54946 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8900442 is about 2983.3608564838. The cubic root of 8900442 is about 207.2385403828.

The spelling of 8900442 in words is "eight million, nine hundred thousand, four hundred forty-two".